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

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

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

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

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