C312322331333132212111133133313331323133313221211111133133112322321   >>    C31232233133313221211113313331333132313331322121111113313311232232   <<    C312322331333132212111133133313331323133313221211111133133112322323   >>      C312322331333132212111133133313331323133313221211111133133112322322   >>