C333312111133133312111133133313331333132211212111133132322333123321   >>    C33331211113313331211113313331333133313221121211113313232233312332   <<    C333312111133133312111133133313331333132211212111133132322333123323   >>      C333312111133133312111133133313331333132211212111133132322333123322   >>