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

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

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

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

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