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