C132233133112121111331333133313231333132333131211113313331333131121123311   >>    C13223313311212111133133313331323133313233313121111331333133313112112331   <<    C132233133112121111331333133313231333132333131211113313331333131121123313   >>      C132233133112121111331333133313231333132333131211113313331333131121123312   >>