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

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

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

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

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