C11111333133313232233133313331333133313331313331333133313331333133313112133221   >>    C1111133313331323223313331333133313331333131333133313331333133313331311213322   <<    C11111333133313232233133313331333133313331313331333133313331333133313112133223   >>      C11111333133313232233133313331333133313331313331333133313331333133313112133222   >>