C1111233133313231133133313331333133313231232313331323133313221221   >>    C111123313331323113313331333133313331323123231333132313331322122   <<    C1111233133313231133133313331333133313231232313331323133313221223   >>      C1111233133313231133133313331333133313231232313331323133313221222   >>