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

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

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

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

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