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

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

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

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

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