C31232233133313221211113313331333131211113313231333132232233131   >>    C3123223313331322121111331333133313121111331323133313223223313   <<    C31232233133313221211113313331333131211113313231333132232233133   >>      C31232233133313221211113313331333131211113313231333132232233132   >>