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