Positive
Flat space
tr = +0.00000000000000e  +0, r = +1.00000000000000e  +0
R = +0.00000000000000e  +0
tr = +0.00000000000000e  +0, r = +1.30000000000000e  +0
R = +0.00000000000000e  +0
flat part of curved space
tr = +1.00000000000000e  +0, r = +1.40000000000000e  +0
R          +1         +2         +1         +2= +1.11022302462516e -16
R          +1         +2         +2         +1= -1.11022302462516e -16
R          +2         +1         +1         +2= -1.86267774884298e -16
R          +2         +1         +2         +1= +1.86267774884298e -16
Ricci[         +1,          +1] = +1.66533453693773e -16
Ricci[         +2,          +2] = +1.11022302462516e -16
R = +2.65793389974228e -16
G[         +0,         +0] = +1.32896694987114e -16
G[         +1,         +1] = +3.36367587066594e -17
G[         +2,         +2] = -3.76227362108910e -17
G[         +3,         +3] = -1.32896694987114e -16
Curved part
tr = +1.00000000000000e  +0, r = +5.00000000000000e  -1
R          +1         +2         +1         +2= +2.29848847065930e  -1
R          +1         +2         +2         +1= -2.29848847065930e  -1
R          +2         +1         +1         +2= -2.29848847065930e  -1
R          +2         +1         +2         +1= +2.29848847065930e  -1
Ricci[         +1,          +1] = +1.00000000000000e  +0
Ricci[         +2,          +2] = +2.29848847065930e  -1
R = +2.00000000000000e  +0
G[         +0,         +0] = +1.00000000000000e  +0
G[         +2,         +2] = -2.77555756156289e -17
G[         +3,         +3] = -1.00000000000000e  +0
tr = +1.00000000000000e  +0, r = +6.00000000000000e  -1
R          +1         +2         +1         +2= +3.18821122761663e  -1
R          +1         +2         +2         +1= -3.18821122761663e  -1
R          +2         +1         +1         +2= -3.18821122761663e  -1
R          +2         +1         +2         +1= +3.18821122761663e  -1
Ricci[         +1,          +1] = +9.99999999999999e  -1
Ricci[         +2,          +2] = +3.18821122761663e  -1
R = +2.00000000000000e  +0
G[         +0,         +0] = +9.99999999999999e  -1
G[         +3,         +3] = -9.99999999999999e  -1
tr = +7.00000000000000e  -1, r = +3.10000000000000e  -1
R          +1         +2         +1         +2= +9.30607716687332e  -2
R          +1         +2         +2         +1= -9.30607716687332e  -2
R          +2         +1         +1         +2= -9.30607716687332e  -2
R          +2         +1         +2         +1= +9.30607716687332e  -2
Ricci[         +1,          +1] = +1.00000000000000e  +0
Ricci[         +2,          +2] = +9.30607716687332e  -2
R = +2.00000000000000e  +0
G[         +0,         +0] = +1.00000000000000e  +0
G[         +1,         +1] = +2.22044604925031e -16
G[         +3,         +3] = -1.00000000000000e  +0
Negative
Flat space
tr = +0.00000000000000e  +0, r = +1.00000000000000e  +0
R = +0.00000000000000e  +0
tr = +0.00000000000000e  +0, r = +1.30000000000000e  +0
R = +0.00000000000000e  +0
flat part of curved space
tr = +1.00000000000000e  +0, r = +1.40000000000000e  +0
R          +2         +1         +1         +2= -3.56694414445892e -16
R          +2         +1         +2         +1= +3.56694414445892e -16
Ricci[         +1,          +1] = +1.11022302462516e -16
R = +1.11022302462516e -16
G[         +0,         +0] = +5.55111512312578e -17
G[         +1,         +1] = +5.55111512312578e -17
G[         +2,         +2] = -1.78347207222946e -16
G[         +3,         +3] = -5.55111512312578e -17
Curved part
tr = +1.00000000000000e  +0, r = +5.00000000000000e  -1
R          +1         +2         +1         +2= -2.71540317407622e  -1
R          +1         +2         +2         +1= +2.71540317407622e  -1
R          +2         +1         +1         +2= +2.71540317407622e  -1
R          +2         +1         +2         +1= -2.71540317407622e  -1
Ricci[         +1,          +1] = -1.00000000000000e  +0
Ricci[         +2,          +2] = -2.71540317407622e  -1
R = -2.00000000000000e  +0
G[         +0,         +0] = -1.00000000000000e  +0
G[         +2,         +2] = +5.55111512312578e -17
G[         +3,         +3] = +1.00000000000000e  +0
tr = +1.00000000000000e  +0, r = +6.00000000000000e  -1
R          +1         +2         +1         +2= -4.05327783662187e  -1
R          +1         +2         +2         +1= +4.05327783662187e  -1
R          +2         +1         +1         +2= +4.05327783662187e  -1
R          +2         +1         +2         +1= -4.05327783662187e  -1
Ricci[         +1,          +1] = -1.00000000000000e  +0
Ricci[         +2,          +2] = -4.05327783662187e  -1
R = -2.00000000000000e  +0
G[         +0,         +0] = -1.00000000000000e  +0
G[         +1,         +1] = +3.33066907387547e -16
G[         +2,         +2] = -1.11022302462516e -16
G[         +3,         +3] = +1.00000000000000e  +0
tr = +7.00000000000000e  -1, r = +3.10000000000000e  -1
R          +1         +2         +1         +2= -9.92181198602538e  -2
R          +1         +2         +2         +1= +9.92181198602538e  -2
R          +2         +1         +1         +2= +9.92181198602539e  -2
R          +2         +1         +2         +1= -9.92181198602539e  -2
Ricci[         +1,          +1] = -9.99999999999998e  -1
Ricci[         +2,          +2] = -9.92181198602538e  -2
R = -1.99999999999999e  +0
G[         +0,         +0] = -9.99999999999997e  -1
G[         +1,         +1] = -8.88178419700125e -16
G[         +2,         +2] = +9.71445146547012e -17
G[         +3,         +3] = +9.99999999999997e  -1