C333312111133133312111133133313331333133321111312331333132233313232212321   >>    C33331211113313331211113313331333133313332111131233133313223331323221232   <<    C333312111133133312111133133313331333133321111312331333132233313232212323   >>      C333312111133133312111133133313331333133321111312331333132233313232212322   >>