C22121333132313311211113313331333133313331333132313231323323321   >>    C2212133313231331121111331333133313331333133313231323132332332   <<    C22121333132313311211113313331333133313331333132313231323323323   >>      C22121333132313311211113313331333133313331333132313231323323322   >>