C1111121111331311211331333133313231333132212111113331333133311211323221   >>    C111112111133131121133133313331323133313221211111333133313331121132322   <<    C1111121111331311211331333133313231333132212111113331333133311211323223   >>      C1111121111331311211331333133313231333132212111113331333133311211323222   >>