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

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

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

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

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