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