C3123223313331322121111331333133313231333132212111112213331313112113122331   >>    C312322331333132212111133133313331323133313221211111221333131311211312233   <<    C3123223313331322121111331333133313231333132212111112213331313112113122333   >>      C3123223313331322121111331333133313231333132212111112213331313112113122332   >>