C11111211113313112113313331333133313331333132313331333132322132332321   >>    C1111121111331311211331333133313331333133313231333133313232213233232   <<    C11111211113313112113313331333133313331333132313331333132322132332323   >>      C11111211113313112113313331333133313331333132313331333132322132332322   >>