C111113331333132322331333133313331323323131121133133313232233132313123311   >>    C11111333133313232233133313331333132332313112113313331323223313231312331   <<    C111113331333132322331333133313331323323131121133133313232233132313123313   >>      C111113331333132322331333133313331323323131121133133313232233132313123312   >>