C1111133313331323223313331333133313331333131133133313331313112131   >>    C111113331333132322331333133313331333133313113313331333131311213   <<    C1111133313331323223313331333133313331333131133133313331313112133   >>      C1111133313331323223313331333133313331333131133133313331313112132   >>