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

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

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

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

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