C111113331333132322331333133313331333132313121111113313112331311112111   >>    C11111333133313232233133313331333133313231312111111331311233131111211   <<    C111113331333132322331333133313331333132313121111113313112331311112113   >>      C111113331333132322331333133313331333132313121111113313112331311112112   >>