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