C312322331333132212111133133313331323133313221211113313231311321221   >>    C31232233133313221211113313331333132313331322121111331323131132122   <<    C312322331333132212111133133313331323133313221211113313231311321223   >>      C312322331333132212111133133313331323133313221211113313231311321222   >>