C312322331333132212111133133313331313331323133313231313331322331   >>    C31232233133313221211113313331333131333132313331323131333132233   <<    C312322331333132212111133133313331313331323133313231313331322333   >>      C312322331333132212111133133313331313331323133313231313331322332   >>