C11111333133313232233133313331333132322132313233313231333112331   >>    C1111133313331323223313331333133313232213231323331323133311233   <<    C11111333133313232233133313331333132322132313233313231333112333   >>      C11111333133313232233133313331333132322132313233313231333112332   >>