C111113331333132322331333133313331333132313331333133311233133112313221   >>    C11111333133313232233133313331333133313231333133313331123313311231322   <<    C111113331333132322331333133313331333132313331333133311233133112313223   >>      C111113331333132322331333133313331333132313331333133311233133112313222   >>