C111113331333132322331333133313331333133323223313311211113313112232233131122231   >>    C11111333133313232233133313331333133313332322331331121111331311223223313112223   <<    C111113331333132322331333133313331333133323223313311211113313112232233131122233   >>      C111113331333132322331333133313331333133323223313311211113313112232233131122232   >>