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

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

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

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

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