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

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

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

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

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