C11111211113313112113313331333132313331322113121111331323223313131   >>    C1111121111331311211331333133313231333132211312111133132322331313   <<    C11111211113313112113313331333132313331322113121111331323223313133   >>      C11111211113313112113313331333132313331322113121111331323223313132   >>