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

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

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

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

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