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

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

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

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

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