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

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

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

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

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