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