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