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