C312322331333132212111133133313331333133312121111133313333122321   >>    C31232233133313221211113313331333133313331212111113331333312232   <<    C312322331333132212111133133313331333133312121111133313333122323   >>      C312322331333132212111133133313331333133312121111133313333122322   >>