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