C1111133313331323223313331333133313113313113313231333133313331333132312323331   >>    C111113331333132322331333133313331311331311331323133313331333133313231232333   <<    C1111133313331323223313331333133313113313113313231333133313331333132312323333   >>      C1111133313331323223313331333133313113313113313231333133313331333132312323332   >>