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