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

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

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

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

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