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