(0 17 15)(1 21 3)(2 20 19 6 4)(5 10 7)(8 16 13 11 9)(12 18 14)
ALLOWS (11/8)-SEQUENCE
1: (2 16 19)
(0 17 15)(1 21 3)(2 6 4)(5 10 7)(8 16 20 19 13 11 9)(12 18 14)
2: (0 17 15)
(0)(1 21 3)(2 6 4)(5 10 7)(8 16 20 19 13 11 9)(12 18 14)(15)(17)
3: (1 21 3)
(0)(1)(2 6 4)(3)(5 10 7)(8 16 20 19 13 11 9)(12 18 14)(15)(17)(21)
4: (11 16 20)
(0)(1)(2 6 4)(3)(5 10 7)(8 16 9)(11 19 13)(12 18 14)(15)(17)(20)(21)