C3123223313331322121111331333133313231333132212111133132322311231   >>    C312322331333132212111133133313331323133313221211113313232231123   <<    C3123223313331322121111331333133313231333132212111133132322311233   >>      C3123223313331322121111331333133313231333132212111133132322311232   >>