C3123223313331322121111331333133313231333132212111112213331313331312323223321   >>    C312322331333132212111133133313331323133313221211111221333131333131232322332   <<    C3123223313331322121111331333133313231333132212111112213331313331312323223323   >>      C3123223313331322121111331333133313231333132212111112213331313331312323223322   >>