C22121333132313311211113313331333133313331313223313231323132312313321   >>    C2212133313231331121111331333133313331333131322331323132313231231332   <<    C22121333132313311211113313331333133313331313223313231323132312313323   >>      C22121333132313311211113313331333133313331313223313231323132312313322   >>