C111113331333132322331333133313331333132313121111331313223332321   >>    C11111333133313232233133313331333133313231312111133131322333232   <<    C111113331333132322331333133313331333132313121111331313223332323   >>      C111113331333132322331333133313331333132313121111331313223332322   >>