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