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

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

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

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

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