C22121333132313311211113313331333133313121111331333132321333131   >>    C2212133313231331121111331333133313331312111133133313232133313   <<    C22121333132313311211113313331333133313121111331333132321333133   >>      C22121333132313311211113313331333133313121111331333132321333132   >>