C1111121111331311211331333133313331313331323223313223313133313231131   >>    C111112111133131121133133313331333131333132322331322331313331323113   <<    C1111121111331311211331333133313331313331323223313223313133313231133   >>      C1111121111331311211331333133313331313331323223313223313133313231132   >>