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

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

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

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

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