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