C31232233133313221211113313331333132313331322121133133313231333211232321   >>    C3123223313331322121111331333133313231333132212113313331323133321123232   <<    C31232233133313221211113313331333132313331322121133133313231333211232323   >>      C31232233133313221211113313331333132313331322121133133313231333211232322   >>