Nice picture - and not as difficult as I was afraid at first.
SPOILER: R22/c9-13, R17/c10,c12, R15/c2-3,c9-13 R11/c1,c4,c6-7,c10,c14,c18 R8/c2-3,c7,c14-15,c17,c19 R7/c1,c4,c6,c13,c16,c18 R4/c2-3,c5,c8 That should be sufficient to solve it logically, hope it helps ;)
SPOILER:
R22/c9-13, R17/c10,c12, R15/c2-3,c9-13
R11/c1,c4,c6-7,c10,c14,c18
R8/c2-3,c7,c14-15,c17,c19
R7/c1,c4,c6,c13,c16,c18
R4/c2-3,c5,c8
That should be sufficient to solve it logically, hope it helps ;)