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

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

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

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

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