C22121333132313311211113313331333133313331333132313331311331333221   >>    C2212133313231331121111331333133313331333133313231333131133133322   <<    C22121333132313311211113313331333133313331333132313331311331333223   >>      C22121333132313311211113313331333133313331333132313331311331333222   >>