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

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

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

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

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