C11111211113313112113313331333132313331322132333133313231323132322233313113231   >>    C1111121111331311211331333133313231333132213233313331323132313232223331311323   <<    C11111211113313112113313331333132313331322132333133313231323132322233313113233   >>      C11111211113313112113313331333132313331322132333133313231323132322233313113232   >>