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