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

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

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

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

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