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