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

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

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

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

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