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