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

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

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

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

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