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