(0 20 16)(1 21 3)(2 8 4)(5 22 6)(7 17 15 11 9)(10 14 12)(13 19 18)
ALLOWS (11/8)-SEQUENCE
1: (0 13 16)

(0)(1 21 3)(2 8 4)(5 22 6)(7 17 15 11 9)(10 14 12)(13 20 16 19 18)
2: (11 17 15)

(0)(1 21 3)(2 8 4)(5 22 6)(7 17 9)(10 14 12)(11)(13 20 16 19 18)(15)
3: (10 14 12)

(0)(1 21 3)(2 8 4)(5 22 6)(7 17 9)(10)(11)(12)(13 20 16 19 18)(14)(15)
4: (16 19 20)

(0)(1 21 3)(2 8 4)(5 22 6)(7 17 9)(10)(11)(12)(13 20 18)(14)(15)(16)(19)