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

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

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

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

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