C111113331333132322331333133313331333132313121111131133132313233122232311   >>    C11111333133313232233133313331333133313231312111113113313231323312223231   <<    C111113331333132322331333133313331333132313121111131133132313233122232313   >>      C111113331333132322331333133313331333132313121111131133132313233122232312   >>