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