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