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

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

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

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

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