C312322331333132212111133133313331323133313221211111233131133131333311   >>    C31232233133313221211113313331333132313331322121111123313113313133331   <<    C312322331333132212111133133313331323133313221211111233131133131333313   >>      C312322331333132212111133133313331323133313221211111233131133131333312   >>