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