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

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

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

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

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