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