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

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

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

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

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