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

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

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

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

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