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