C1111233133313231133133313331333133313231232313331333132313331221   >>    C111123313331323113313331333133313331323123231333133313231333122   <<    C1111233133313231133133313331333133313231232313331333132313331223   >>      C1111233133313231133133313331333133313231232313331333132313331222   >>