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