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

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

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

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

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