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

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

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

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

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