(0 21 13)(1 22 19)(2 23 4)(3 8 5)(6 14 12)(7 10 9)(11 17 15)(16 20 18)
ALLOWS (11/8)-SEQUENCE
1: (13 16 21)

(0 21 20 18 16)(1 22 19)(2 23 4)(3 8 5)(6 14 12)(7 10 9)(11 17 15)(13)
2: (11 17 15)

(0 21 20 18 16)(1 22 19)(2 23 4)(3 8 5)(6 14 12)(7 10 9)(11)(13)(15)(17)
3: (6 14 12)

(0 21 20 18 16)(1 22 19)(2 23 4)(3 8 5)(6)(7 10 9)(11)(12)(13)(14)(15)(17)
4: (0 18 16)

(0)(1 22 19)(2 23 4)(3 8 5)(6)(7 10 9)(11)(12)(13)(14)(15)(16)(17)(18 21 20)