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