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

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

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

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

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