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