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

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

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

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

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