C11111333133313232233133313331333132313331312111133132213123231   >>    C1111133313331323223313331333133313231333131211113313221312323   <<    C11111333133313232233133313331333132313331312111133132213123233   >>      C11111333133313232233133313331333132313331312111133132213123232   >>