C1111233133313231133133313331333133313231232313331333132313331311211332321   >>    C111123313331323113313331333133313331323123231333133313231333131121133232   <<    C1111233133313231133133313331333133313231232313331333132313331311211332323   >>      C1111233133313231133133313331333133313231232313331333132313331311211332322   >>