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

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

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

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

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