C11111333133313232233133313331333132313123231322331323132313231312331   >>    C1111133313331323223313331333133313231312323132233132313231323131233   <<    C11111333133313232233133313331333132313123231322331323132313231312333   >>      C11111333133313232233133313331333132313123231322331323132313231312332   >>