C11111333133313232233133313331333133313331323132313331313233231   >>    C1111133313331323223313331333133313331333132313231333131323323   <<    C11111333133313232233133313331333133313331323132313331313233233   >>      C11111333133313232233133313331333133313331323132313331313233232   >>