C1111133313331323223313331333133313331323131211113313221323111121   >>    C111113331333132322331333133313331333132313121111331322132311112   <<    C1111133313331323223313331333133313331323131211113313221323111123   >>      C1111133313331323223313331333133313331323131211113313221323111122   >>