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

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

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

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

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