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