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

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

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

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

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