C11111211113313112113313331333133313331333132313331333223312331   >>    C1111121111331311211331333133313331333133313231333133322331233   <<    C11111211113313112113313331333133313331333132313331333223312333   >>      C11111211113313112113313331333133313331333132313331333223312332   >>