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

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

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

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

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