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

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

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

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

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