C1111133313331323223313331333133313331321123113313231323132313233313231312331   >>    C111113331333132322331333133313331333132112311331323132313231323331323131233   <<    C1111133313331323223313331333133313331321123113313231323132313233313231312333   >>      C1111133313331323223313331333133313331321123113313231323132313233313231312332   >>