C33331211113313331211113313331333133313111123313331323223313221323211211   >>    C3333121111331333121111331333133313331311112331333132322331322132321121   <<    C33331211113313331211113313331333133313111123313331323223313221323211213   >>      C33331211113313331211113313331333133313111123313331323223313221323211212   >>