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

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

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

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

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