C132233133112121111331333133313331333132313223331333132313121321   >>    C13223313311212111133133313331333133313231322333133313231312132   <<    C132233133112121111331333133313331333132313223331333132313121323   >>      C132233133112121111331333133313331333132313223331333132313121322   >>