(0 18 3)(1 7 2 8 4)(5 20 19)(6 11 9)(10 21 17 15 12)(13 16 14)
ALLOWS (11/8)-SEQUENCE
1: (1 5 20)

(0 18 3)(1 19 5 7 2 8 4)(6 11 9)(10 21 17 15 12)(13 16 14)(20)
2: (0 18 3)

(0)(1 19 5 7 2 8 4)(3)(6 11 9)(10 21 17 15 12)(13 16 14)(18)(20)
3: (2 5 7)

(0)(1 19 5 8 4)(2)(3)(6 11 9)(7)(10 21 17 15 12)(13 16 14)(18)(20)
4: (4 5 8)

(0)(1 19 5)(2)(3)(4)(6 11 9)(7)(8)(10 21 17 15 12)(13 16 14)(18)(20)