C132233133112121111331333133313231333132333131211113313113233111   >>    C13223313311212111133133313331323133313233313121111331311323311   <<    C132233133112121111331333133313231333132333131211113313113233113   >>      C132233133112121111331333133313231333132333131211113313113233112   >>