C312322331333132212111133133313113313331313231323133313231311331333132313221   >>    C31232233133313221211113313331311331333131323132313331323131133133313231322   <<    C312322331333132212111133133313113313331313231323133313231311331333132313223   >>      C312322331333132212111133133313113313331313231323133313231311331333132313222   >>