C312322331333132212111133133313331313331323133313231321123232131   >>    C31232233133313221211113313331333131333132313331323132112323213   <<    C312322331333132212111133133313331313331323133313231321123232133   >>      C312322331333132212111133133313331313331323133313231321123232132   >>