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

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

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

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

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