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

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

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

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

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