C132233133112121111331333133313231333132333131211113313331322312321   >>    C13223313311212111133133313331323133313233313121111331333132231232   <<    C132233133112121111331333133313231333132333131211113313331322312323   >>      C132233133112121111331333133313231333132333131211113313331322312322   >>