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