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