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