(0 21 4)(1 13 12)(2 16 14 11 7)(3 9 5)(6 10 8)(15 19 17)(18 22 20)
ALLOWS (11/8)-SEQUENCE
1: (0 1 4)

(0)(1 21 4 13 12)(2 16 14 11 7)(3 9 5)(6 10 8)(15 19 17)(18 22 20)
2: (4 13 21)

(0)(1 21 12)(2 16 14 11 7)(3 9 5)(4)(6 10 8)(13)(15 19 17)(18 22 20)
3: (2 16 7)

(0)(1 21 12)(2)(3 9 5)(4)(6 10 8)(7 14 11)(13)(15 19 17)(16)(18 22 20)
4: (3 9 5)

(0)(1 21 12)(2)(3)(4)(5)(6 10 8)(7 14 11)(9)(13)(15 19 17)(16)(18 22 20)