C33331211113313331211113313331333131211113313331322331323221221   >>    C3333121111331333121111331333133313121111331333132233132322122   <<    C33331211113313331211113313331333131211113313331322331323221223   >>      C33331211113313331211113313331333131211113313331322331323221222   >>