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

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

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

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

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