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

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

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

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

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