C222133313331333131123313231333133313331333132112323133312111111331123232321   >>    C22213331333133313112331323133313331333133313211232313331211111133112323232   <<    C222133313331333131123313231333133313331333132112323133312111111331123232323   >>      C222133313331333131123313231333133313331333132112323133312111111331123232322   >>