C111113331333132322331333133313331323323131121133133313231333132323132313111   >>    C11111333133313232233133313331333132332313112113313331323133313232313231311   <<    C111113331333132322331333133313331323323131121133133313231333132323132313113   >>      C111113331333132322331333133313331323323131121133133313231333132323132313112   >>