C3123223313331322121111331333133313231333132212111112213123232321   >>    C312322331333132212111133133313331323133313221211111221312323232   <<    C3123223313331322121111331333133313231333132212111112213123232323   >>      C3123223313331322121111331333133313231333132212111112213123232322   >>