C11111211113313112113313331333133313331333132313331333223322131   >>    C1111121111331311211331333133313331333133313231333133322332213   <<    C11111211113313112113313331333133313331333132313331333223322133   >>      C11111211113313112113313331333133313331333132313331333223322132   >>