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