C333312111133133312111133133313331333132231331121111331323223313233232321   >>    C33331211113313331211113313331333133313223133112111133132322331323323232   <<    C333312111133133312111133133313331333132231331121111331323223313233232323   >>      C333312111133133312111133133313331333132231331121111331323223313233232322   >>