C11112331312111112111133133313331333132311211332123313331333132212111113211321   >>    C1111233131211111211113313331333133313231121133212331333133313221211111321132   <<    C11112331312111112111133133313331333132311211332123313331333132212111113211323   >>      C11112331312111112111133133313331333132311211332123313331333132212111113211322   >>