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

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

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

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

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