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