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