C22121333132313311211113313331333132233131133133313331322133323321   >>    C2212133313231331121111331333133313223313113313331333132213332332   <<    C22121333132313311211113313331333132233131133133313331322133323323   >>      C22121333132313311211113313331333132233131133133313331322133323322   >>