C31232233133313221211113313331333131211113313231333131121131213231   >>    C3123223313331322121111331333133313121111331323133313112113121323   <<    C31232233133313221211113313331333131211113313231333131121131213233   >>      C31232233133313221211113313331333131211113313231333131121131213232   >>