C11111333133313232233133313331333131133131121131211113313331313311213321   >>    C1111133313331323223313331333133313113313112113121111331333131331121332   <<    C11111333133313232233133313331333131133131121131211113313331313311213323   >>      C11111333133313232233133313331333131133131121131211113313331313311213322   >>