C312322331333132212111133133313331312111133132313332313232233132313232321   >>    C31232233133313221211113313331333131211113313231333231323223313231323232   <<    C312322331333132212111133133313331312111133132313332313232233132313232323   >>      C312322331333132212111133133313331312111133132313332313232233132313232322   >>