C11111211113313112113313331333133313331333132313331333133313331322131213311   >>    C1111121111331311211331333133313331333133313231333133313331333132213121331   <<    C11111211113313112113313331333133313331333132313331333133313331322131213313   >>      C11111211113313112113313331333133313331333132313331333133313331322131213312   >>