C11111333133313232233133313331333133313231333133313113313332232133313231131   >>    C1111133313331323223313331333133313331323133313331311331333223213331323113   <<    C11111333133313232233133313331333133313231333133313113313332232133313231133   >>      C11111333133313232233133313331333133313231333133313113313332232133313231132   >>