C312322331333132212111133133313331323133313221211111211331323133312111112311211   >>    C31232233133313221211113313331333132313331322121111121133132313331211111231121   <<    C312322331333132212111133133313331323133313221211111211331323133312111112311213   >>      C312322331333132212111133133313331323133313221211111211331323133312111112311212   >>