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

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

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

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

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