C22121333132313311211113313331333133313331313223313232313112111   >>    C2212133313231331121111331333133313331333131322331323231311211   <<    C22121333132313311211113313331333133313331313223313232313112113   >>      C22121333132313311211113313331333133313331313223313232313112112   >>