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

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

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

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

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