C11111333133313232233133313331333131133131121131211113313332232113131   >>    C1111133313331323223313331333133313113313112113121111331333223211313   <<    C11111333133313232233133313331333131133131121131211113313332232113133   >>      C11111333133313232233133313331333131133131121131211113313332232113132   >>