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