C11111211113313112113313331333133313331333132313331333133313331322131213321   >>    C1111121111331311211331333133313331333133313231333133313331333132213121332   <<    C11111211113313112113313331333133313331333132313331333133313331322131213323   >>      C11111211113313112113313331333133313331333132313331333133313331322131213322   >>