C33331211113313331211113313331333133313211231333132313331322331323132211   >>    C3333121111331333121111331333133313331321123133313231333132233132313221   <<    C33331211113313331211113313331333133313211231333132313331322331323132213   >>      C33331211113313331211113313331333133313211231333132313331322331323132212   >>