C111113331333132322331333133313331323132311211331323223313113312311   >>    C11111333133313232233133313331333132313231121133132322331311331231   <<    C111113331333132322331333133313331323132311211331323223313113312313   >>      C111113331333132322331333133313331323132311211331323223313113312312   >>