C22121333132313311211113313331333133313331333132322331323323221   >>    C2212133313231331121111331333133313331333133313232233132332322   <<    C22121333132313311211113313331333133313331333132322331323323223   >>      C22121333132313311211113313331333133313331333132322331323323222   >>