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