C11111211113313112113313331333131133133313132313331323223313232131   >>    C1111121111331311211331333133313113313331313231333132322331323213   <<    C11111211113313112113313331333131133133313132313331323223313232133   >>      C11111211113313112113313331333131133133313132313331323223313232132   >>