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

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

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

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

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