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