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

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

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

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

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