C312322331333132212111133133313331323133313331333133313331333133313231323121221   >>    C31232233133313221211113313331333132313331333133313331333133313331323132312122   <<    C312322331333132212111133133313331323133313331333133313331333133313231323121223   >>      C312322331333132212111133133313331323133313331333133313331333133313231323121222   >>