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

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

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

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

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