(0 19 15)(1 20 5)(2 17 13)(3 11 10)(4 8 6)(7 14 9)(12 18 16)
ALLOWS (11/8)-SEQUENCE
1: (13 15 17)
(0 19 15 2 17)(1 20 5)(3 11 10)(4 8 6)(7 14 9)(12 18 16)(13)
2: (0 2 17)
(0)(1 20 5)(2 19 15)(3 11 10)(4 8 6)(7 14 9)(12 18 16)(13)(17)
3: (1 20 5)
(0)(1)(2 19 15)(3 11 10)(4 8 6)(5)(7 14 9)(12 18 16)(13)(17)(20)
4: (2 19 15)
(0)(1)(2)(3 11 10)(4 8 6)(5)(7 14 9)(12 18 16)(13)(15)(17)(19)(20)