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