C312322331333132212111133133313331312111133132313113313223122321   >>    C31232233133313221211113313331333131211113313231311331322312232   <<    C312322331333132212111133133313331312111133132313113313223122323   >>      C312322331333132212111133133313331312111133132313113313223122322   >>