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