C1111233133313231133133313331333133313231232313331311331322231333221   >>    C111123313331323113313331333133313331323123231333131133132223133322   <<    C1111233133313231133133313331333133313231232313331311331322231333223   >>      C1111233133313231133133313331333133313231232313331311331322231333222   >>