C11111211113313112113313331333133313331333132313331333133313331322131133211   >>    C1111121111331311211331333133313331333133313231333133313331333132213113321   <<    C11111211113313112113313331333133313331333132313331333133313331322131133213   >>      C11111211113313112113313331333133313331333132313331333133313331322131133212   >>