C312322331333132212111133133313331323133313233313331323132322321212231   >>    C31232233133313221211113313331333132313331323331333132313232232121223   <<    C312322331333132212111133133313331323133313233313331323132322321212233   >>      C312322331333132212111133133313331323133313233313331323132322321212232   >>