C312322331333132212111133133313331323133313221211111211331323133112112321   >>    C31232233133313221211113313331333132313331322121111121133132313311211232   <<    C312322331333132212111133133313331323133313221211111211331323133112112323   >>      C312322331333132212111133133313331323133313221211111211331323133112112322   >>