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