C11111211113313112113313331333132313331322113121111331333131122313232321   >>    C1111121111331311211331333133313231333132211312111133133313112231323232   <<    C11111211113313112113313331333132313331322113121111331333131122313232323   >>      C11111211113313112113313331333132313331322113121111331333131122313232322   >>