C312322331333132212111133133313331333133312121111331323133112232131   >>    C31232233133313221211113313331333133313331212111133132313311223213   <<    C312322331333132212111133133313331333133312121111331323133112232133   >>      C312322331333132212111133133313331333133312121111331323133112232132   >>