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