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

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

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

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

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