C3121113331313231323132333131313231323131323223313233313233313112211232321111   >>    C312111333131323132313233313131323132313132322331323331323331311221123232111   <<    C3121113331313231323132333131313231323131323223313233313233313112211232321113   >>      C3121113331313231323132333131313231323131323223313233313233313112211232321112   >>