C1111133313331323223313331333133313231323112113313231333131111331333223331   >>    C111113331333132322331333133313331323132311211331323133313111133133322333   <<    C1111133313331323223313331333133313231323112113313231333131111331333223333   >>      C1111133313331323223313331333133313231323112113313231333131111331333223332   >>