C312322331333132212111133133313331323133313221211111211331322132212121   >>    C31232233133313221211113313331333132313331322121111121133132213221212   <<    C312322331333132212111133133313331323133313221211111211331322132212123   >>      C312322331333132212111133133313331323133313221211111211331322132212122   >>