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

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

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

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

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