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

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

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

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

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