C11111211113313112113313331333131133133313132313331323221323231111   >>    C1111121111331311211331333133313113313331313231333132322132323111   <<    C11111211113313112113313331333131133133313132313331323221323231113   >>      C11111211113313112113313331333131133133313132313331323221323231112   >>