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

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

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

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

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