C312322331333132212111133133313331333133312121111133313332223221   >>    C31232233133313221211113313331333133313331212111113331333222322   <<    C312322331333132212111133133313331333133312121111133313332223223   >>      C312322331333132212111133133313331333133312121111133313332223222   >>