C312322331333132212111133133313331323133313221211331333132313121131121   >>    C31232233133313221211113313331333132313331322121133133313231312113112   <<    C312322331333132212111133133313331323133313221211331333132313121131123   >>      C312322331333132212111133133313331323133313221211331333132313121131122   >>