C11111211113313112113313331333133313331333132313331333133313331123313331312331   >>    C1111121111331311211331333133313331333133313231333133313331333112331333131233   <<    C11111211113313112113313331333133313331333132313331333133313331123313331312333   >>      C11111211113313112113313331333133313331333132313331333133313331123313331312332   >>