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