C3123223313331322121111331333133313231333132212111112213331323131233131   >>    C312322331333132212111133133313331323133313221211111221333132313123313   <<    C3123223313331322121111331333133313231333132212111112213331323131233133   >>      C3123223313331322121111331333133313231333132212111112213331323131233132   >>