(0 20 2)(1 6 4)(3 21 9 7 5)(8 14 11)(10 17 16)(12 19 13)(15 22 18)
ALLOWS (11/8)-SEQUENCE
1: (1 4 6)

(0 20 2)(1 4 6)(3 21 9 7 5)(8 14 11)(10 17 16)(12 19 13)(15 22 18)
2: (3 21 5)

(0 20 2)(1 4 6)(3)(5 9 7)(8 14 11)(10 17 16)(12 19 13)(15 22 18)(21)
3: (0 20 2)

(0)(1 4 6)(2)(3)(5 9 7)(8 14 11)(10 17 16)(12 19 13)(15 22 18)(20)(21)
4: (1 4 6)

(0)(1)(2)(3)(4)(5 9 7)(6)(8 14 11)(10 17 16)(12 19 13)(15 22 18)(20)(21)