C11111211113313112113313331333133313331333132313331333133313331322133112131   >>    C1111121111331311211331333133313331333133313231333133313331333132213311213   <<    C11111211113313112113313331333133313331333132313331333133313331322133112133   >>      C11111211113313112113313331333133313331333132313331333133313331322133112132   >>