C111113331333132322331333133313331333133313121111331333121111331333131113112321   >>    C11111333133313232233133313331333133313331312111133133312111133133313111311232   <<    C111113331333132322331333133313331333133313121111331333121111331333131113112323   >>      C111113331333132322331333133313331333133313121111331333121111331333131113112322   >>