C132233133112121111331333133313331333131231333132313331123313231211   >>    C13223313311212111133133313331333133313123133313231333112331323121   <<    C132233133112121111331333133313331333131231333132313331123313231213   >>      C132233133112121111331333133313331333131231333132313331123313231212   >>