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

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

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

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

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