C333312111133133312111133133313331333132211212111133132213232232311   >>    C33331211113313331211113313331333133313221121211113313221323223231   <<    C333312111133133312111133133313331333132211212111133132213232232313   >>      C333312111133133312111133133313331333132211212111133132213232232312   >>