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

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

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

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

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